April 18, 2026
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Bill Marr's journal of shooting, reloading and gunsmithing

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What's new?
  • [ January 26, 2025 ] 782 Custom Gunworks “HUNDO” Loading Block Editorial
  • [ January 26, 2025 ] How do rifle suppressors affect muzzle velocity? Precision Rifles
  • [ May 31, 2023 ] The A-Team Mini-14? Customizing a Ruger Mini-14 A-Team
  • [ April 30, 2023 ] Removing stripped and sheared screws from a rifle Gunsmithing
  • [ February 28, 2023 ] Cut and Crown a Winchester 94 30-30 Gunsmithing
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PGW Defense Technologies Inc

Gunsmithing

Building a USMC M40A3: Cloning the Marine Corps Sniper Rifle from 1999-2009

January 4, 2016 Bill Marr 0

In this post Rifleshooter.com will build a clone of the United States Marine Corps M40A3 Sniper Rifle. Replacing the M40A1 in 1999, and used by the Marines until 2009, the M40A3 is characterized by its […]

Gunsmithing

USMC M40A5 Build- Part 5: Bedding and final assembly

December 16, 2015 Bill Marr 0

Welcome to the final installment of Rifleshooter.com’s USMC M40A5 build series, USMC M40A5 Build- Part 5: Bedding and final assembly.  To read the rest of the series, see: Remington 700 (USMC M40A1, M40A3, M40A5) Q&A: […]

Gunsmithing

USMC M40A5 Build-Part 2: Lug slotting the receiver

April 19, 2015 Bill Marr 0

USMC M40A5 Build-Part 2: Lug slotting the receiver USMC M40A5 Build- Part 1: Gathering the Parts provided an overview of the parts required to complete an M40A5 (or M40A3).  In Part 2 of this series, the receiver […]

Gunsmithing

USMC M40A5 Build- Part 1: Gathering the Parts

February 16, 2015 Bill Marr 0

To read Rifleshooter.com’s M40A5 Build Series, see: Remington 700 (USMC M40A1, M40A3, M40A5) Q&A: What is a clip slot? Lug slot? Lugged base? USMC M40A5 Build- Part 1: Gathering the Parts USMC M40A5 Build-Part 2: […]

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Stripped screw removal (RMR from pistol)

Gunsmithing
September 15, 2018 0

Quick rifle bedding tip: Easy removal of bedding material from pillars

Gunsmithing
July 19, 2015 0

243 Winchester load development: 70 SMK, 95 TMK and 107 SMK

Cartridge Selection
July 25, 2016 0

My bolt won’t close! Troubleshooting seized ejectors

Gunsmithing
November 24, 2019 0

Daewoo K2, DR-200/DR-300 barrel removal

Gunsmithing
March 23, 2019 0
308 Winchester / 7.62x51mm NATO: Barrel Length versus Velocity (28" to 16.5")
6.5 Creedmoor- Effect of Barrel Length on Velocity: Cutting up a Creedmoor!
300 Winchester Magnum: How Does Barrel Length Change Velocity- A 16" 300 Win Mag?
308 Winchester/ 7.62x51mm NATO Short barrel length and velocity- A six inch 308 bolt gun?
223 Ackley Improved (223AI) loads and review: A better 223?
Review: Mossberg MVP Patrol 5.56mm NATO (223 Remington) and 7.62 NATO (308 Winchester)
Howa 1500 barreled action review: Howa 1500 versus Remington 700
Forster CO-AX reloading press: REVIEW- Is it the best press for precision rifle?
Review: Remington 700 SPS Varmint
Ruger American Rifle Predator 223 Review

6.5 Creedmoor load development: Semi-automatic gas gun, 130 and 107 TMK

Blueprinting a Remington 700 Action

Mossberg 590 Shockwave 20-gauge buckshot selection and patterning

Review: Ruger Wrangler Single-Action Revolver, Initial Impressions


 

 

 

 

 

Custom 1911 Project: Part 5- milling the slide for low mount sights

September 14, 2016 0

Cut and crown a rifle barrel without a lathe (11 degree target crown)

August 22, 2012 0

Making a Foredom flexible shaft rotary tool stand

December 15, 2019 0

Ruger 10/22 accuracy upgrade: Shortening factory chamber to improve accuracy

November 30, 2015 0

6.5 Creedmoor reloading: Effects of cartridge overall length (OAL) on 142 gr Sierra MatchKing

September 7, 2015 0

Chambering a Rifle Barrel

March 6, 2013 0

Installing a SAKO extractor in a Remington 700/ Model Seven

February 10, 2016 0

Remington 870 3-Gun Competition Shotgun Conversion

July 29, 2012 0

Remington 700 8-40 scope base conversion

October 15, 2014 0

Stripped screw removal (RMR from pistol)

September 15, 2018 0

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  • Removing stripped and sheared screws from a rifle
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